<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<!-- 使用source添加视频的三种格式，防止视频无法播放 -->
		<video width="800" height="">
			<source src="myvideo.mp4" type="video/mp4"></source>
			<source src="myvideo.ogv" type="video/ogg"></source>
			<source src="myvideo.webm" type="video/webm"></source>
		</video>
	</body>
</html>
